Peshawar- At least six people were killed on Tuesday when a remote-controlled explosive device went off in Salarzai tehsil of Bajaur tribal region, official sources said.

The deceased include three female teachers, two children and a driver. The explosive material was planted along a roadside in the Tangi area of Salarzai tehsil which exploded when a school van was passing through it. Rescue teams rushed to the site of the incident and shifted the injured to

Agency Headquarters Hospital in Khar. There was no immediate claim of responsibility for the attack. The incident comes days after a child was killed and six others sustained serious wounds in a remote-controlled blast in Bajaur's Nawagai tehsil. Also, on August 13, a pro-government tribal elder and leader of the Salarzai Peace Committee was attacked in a roadside blast in Golo Shah area. He remained unhurt in the incident. After the explosion, security and Levies forces cordoning off the area and started search operation.